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Finding the Fourth Proportional to 923.67, 1,274.33 and 530.62

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Solution

The fourth proportional to 923.67, 1,274.33 and 530.62 is: 732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.67 : 1,274.33 = 530.62 : x
  2. Step 2: Convert to fraction form
    923.67/1,274.33 = 530.62/x
  3. Step 3: Cross multiply
    923.67x = 1,274.33 × 530.62
  4. Step 4: Simplify right side
    923.67x = 676,183.13
  5. Step 5: Solve for x
    x = 676,183.13/923.67
  6. Step 6: Final answer
    x = 732.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.